Kramer Electronics EXT3-H-T - 4K60 4:4:4 HDMI Only Long Reach HDBaseT 3.0 Transmitter - IR, RS-232

The Kramer Electronics EXT3-H-T is a high-performance HDBaseT 3.0 transmitter designed for extending 4K60 4:4:4 HDMI signals up to 90 meters over a single CAT cable. It supports HDMI 2.0, HDCP 2.3, HDR10, HLG, and Dolby Vision, ensuring pristine video quality. The unit features IR and RS-232 control pass-through, Power over HDBaseT (PoH), and EDID management. Housed in a fan-less MegaTOOLS® enclosure, it is ideal for professional AV installations.

Advantages

Long-reach 4K60 4:4:4 transmission up to 90m, near-zero latency, and reliable HDBaseT 3.0 technology. Supports HDR and advanced audio formats. Easy integration with existing Kramer systems.

Suitable for

• Professional AV systems requiring long-distance 4K signal distribution
• Conference rooms, lecture halls, and digital signage
• Integration with control systems via RS-232 and IR

Key specifications

• Max Resolution: 4K@60Hz (4:4:4)
• HDMI Compliance: HDMI 2.0, HDCP 2.3
• HDBaseT Version: 3.0
• Max Range (4K): 90m (295ft) over CAT cable
• Max Range (1080p): 100m (330ft)
• Data Rate: 18Gbps (HDMI), 16Gbps (HDBaseT)
• Audio Formats: LPCM 2-channel, Dolby Digital, DTS-HD Master Audio
• Control: RS-232, IR pass-through
• Power over HDBaseT: Yes (PSE)
• Inputs: 1x HDMI, 1x IR, 1x RS-232
• Outputs: 1x HDBaseT (RJ-45), 1x IR, 1x RS-232
• EDID Management: Yes
• HDR Support: HDR10, HLG, Dolby Vision
• CEC Support: Yes (pass-through)
• Power Supply: 12V DC, 2A
• Enclosure: MegaTOOLS® fan-less
• Mounting: Tabletop, rack mount optional

Recommendations

For optimal performance, use high-quality CAT6a or CAT7 cables. Pair with a compatible HDBaseT 3.0 receiver such as the Kramer EXT3-H-R.